tor/changes/bug24469
David Goulet fb93c6fc51 circ: Don't cannibalize a circuit if the guard state is unusable
Tor preemptiely builds circuits and they can be cannibalized later in their
lifetime. A Guard node can become unusable (from our guard state) but we can
still have circuits using that node opened. It is important to not pick those
circuits for any usage through the cannibalization process.

Fixes #24469

Signed-off-by: David Goulet <dgoulet@torproject.org>
2018-01-31 16:10:48 -05:00

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o Minor bugfixes (circuit, cannibalization):
- Don't cannibalize circuits for which we don't know the first hop which
can happen if our Guard relay went off the consensus after the circuit
was created preemptively. Fixes bug 24469; bugfix on 0.0.6.